Home / 12,607.80-17,422.74-9,458.52

Finding the Fourth Proportional to 12,607.80, 17,422.74 and 9,458.52

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Solution

The fourth proportional to 12,607.80, 17,422.74 and 9,458.52 is: 13,070.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607.80 : 17,422.74 = 9,458.52 : x
  2. Step 2: Convert to fraction form
    12,607.80/17,422.74 = 9,458.52/x
  3. Step 3: Cross multiply
    12,607.80x = 17,422.74 × 9,458.52
  4. Step 4: Simplify right side
    12,607.80x = 164,793,334.74
  5. Step 5: Solve for x
    x = 164,793,334.74/12,607.80
  6. Step 6: Final answer
    x = 13,070.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.